From b6fb9a7180b9b173ebf5e369fe8cd28613d6742d Mon Sep 17 00:00:00 2001 From: blogic Date: Sun, 29 Jun 2008 00:42:45 +0000 Subject: lots of ifxmips cleanups git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11607 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../linux/ifxmips/files/arch/mips/ifxmips/Kconfig | 4 ++ .../linux/ifxmips/files/arch/mips/ifxmips/board.c | 45 +++++++++++++--- .../linux/ifxmips/files/arch/mips/ifxmips/clock.c | 43 +++++++++++++++ .../linux/ifxmips/files/arch/mips/ifxmips/gpio.c | 3 +- .../ifxmips/files/arch/mips/ifxmips/interrupt.c | 1 + .../linux/ifxmips/files/arch/mips/ifxmips/setup.c | 61 ++-------------------- 6 files changed, 90 insertions(+), 67 deletions(-) (limited to 'target/linux/ifxmips/files/arch/mips') diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig b/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig index d4e96af32..621020f83 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig @@ -18,6 +18,10 @@ config IFXMIPS_MEI bool "IFXMips mei" default y +config IFXMIPS_GPIO_RST_BTN + bool "Reset Button" + default y + choice prompt "prom_printf ASC" help diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c index 8d12ebdaf..b7e0387e3 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c @@ -30,7 +30,9 @@ #include #include #include +#include #include +#include #define MAX_IFXMIPS_DEVS 9 @@ -42,10 +44,13 @@ static unsigned int chiprev; static struct platform_device *ifxmips_devs[MAX_IFXMIPS_DEVS]; +static int cmdline_mac = 0; spinlock_t ebu_lock = SPIN_LOCK_UNLOCKED; EXPORT_SYMBOL_GPL(ebu_lock); +static struct ifxmips_mac ifxmips_mii_mac; + static struct platform_device ifxmips_led[] = { @@ -70,6 +75,9 @@ ifxmips_mii[] = { .id = 0, .name = "ifxmips_mii0", + .dev = { + .platform_data = &ifxmips_mii_mac, + } }, }; @@ -82,11 +90,6 @@ ifxmips_wdt[] = }, }; -static struct physmap_flash_data -ifxmips_mtd_data = { - .width = 2, -}; - static struct resource ifxmips_mtd_resource = { .start = IFXMIPS_FLASH_START, @@ -100,9 +103,6 @@ ifxmips_mtd[] = { .id = 0, .name = "ifxmips_mtd", - .dev = { - .platform_data = &ifxmips_mtd_data, - }, .num_resources = 1, .resource = &ifxmips_mtd_resource, }, @@ -148,11 +148,40 @@ get_system_type(void) return BOARD_SYSTEM_TYPE; } +#define IS_HEX(x) (((x >='0' && x <= '9') || (x >='a' && x <= 'f') || (x >='A' && x <= 'F'))?(1):(0)) +static int __init +ifxmips_set_mii0_mac(char *str) +{ + int i; + str = strchr(str, '='); + if(!str) + goto out; + str++; + if(strlen(str) != 17) + goto out; + for(i = 0; i < 6; i++) + { + if(!IS_HEX(str[3 * i]) || !IS_HEX(str[(3 * i) + 1])) + goto out; + if((i != 5) && (str[(3 * i) + 2] != ':')) + goto out; + ifxmips_mii_mac.mac[i] = simple_strtoul(&str[3 * i], NULL, 16); + } + if(is_valid_ether_addr(ifxmips_mii_mac.mac)) + cmdline_mac = 1; +out: + return 1; +} +__setup("mii0_mac", ifxmips_set_mii0_mac); + int __init ifxmips_init_devices(void) { int dev = 0; + if(!cmdline_mac) + random_ether_addr(ifxmips_mii_mac.mac); + ifxmips_devs[dev++] = ifxmips_led; ifxmips_devs[dev++] = ifxmips_gpio; ifxmips_devs[dev++] = ifxmips_mii; diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c b/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c index d1e2ff4fa..c86b70cc0 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c @@ -429,3 +429,46 @@ void cgu_setup_pci_clk(int external_clock) ifxmips_w32((1 << 31) | (1 << 30), IFXMIPS_CGU_PCICR); } } + +unsigned int +ifxmips_get_ddr_hz(void) +{ + switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3) + { + case 0: + return CLOCK_167M; + case 1: + return CLOCK_133M; + case 2: + return CLOCK_111M; + } + return CLOCK_83M; +} +EXPORT_SYMBOL(ifxmips_get_ddr_hz); + +unsigned int +ifxmips_get_cpu_hz(void) +{ + unsigned int ddr_clock = ifxmips_get_ddr_hz(); + switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc) + { + case 0: + return CLOCK_333M; + case 4: + return ddr_clock; + } + return ddr_clock << 1; +} +EXPORT_SYMBOL(ifxmips_get_cpu_hz); + +unsigned int +ifxmips_get_fpi_hz(void) +{ + unsigned int ddr_clock = ifxmips_get_ddr_hz(); + if(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40) + return ddr_clock >> 1; + return ddr_clock; +} +EXPORT_SYMBOL(ifxmips_get_fpi_hz); + + diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c index 931d3ac1d..01212d1ae 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c @@ -303,7 +303,7 @@ reset_button_poll(unsigned long unused) { struct event_t *event; - rst_button_timer.expires = jiffies + HZ; + rst_button_timer.expires = jiffies + (HZ / 4); add_timer(&rst_button_timer); if (pressed != ifxmips_port_get_input(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN)) @@ -312,7 +312,6 @@ reset_button_poll(unsigned long unused) pressed = 0; else pressed = 1; - printk("reset button was %s\n", (pressed ? "pressed" : "released")); event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC); if (!event) { diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/interrupt.c b/target/linux/ifxmips/files/arch/mips/ifxmips/interrupt.c index e7557cef6..b47074d79 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/interrupt.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/interrupt.c @@ -141,6 +141,7 @@ ifxmips_hw_irqdispatch(int module) if(irq == 0) return; + /* we need to do this due to a silicon bug */ irq = ls1bit32(irq); do_IRQ((int)irq + INT_NUM_IM0_IRL0 + (INT_NUM_IM_OFFSET * module)); diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c b/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c index 7093b7f7e..a29a54d28 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c @@ -27,6 +27,7 @@ #include #include #include +#include #include static unsigned int r4k_offset; @@ -34,51 +35,10 @@ static unsigned int r4k_cur; extern void ifxmips_reboot_setup(void); -unsigned int -ifxmips_get_ddr_hz(void) -{ - switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3) - { - case 0: - return CLOCK_167M; - case 1: - return CLOCK_133M; - case 2: - return CLOCK_111M; - } - return CLOCK_83M; -} -EXPORT_SYMBOL(ifxmips_get_ddr_hz); - -unsigned int -ifxmips_get_cpu_hz(void) -{ - unsigned int ddr_clock = ifxmips_get_ddr_hz(); - switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc) - { - case 0: - return CLOCK_333M; - case 4: - return ddr_clock; - } - return ddr_clock << 1; -} -EXPORT_SYMBOL(ifxmips_get_cpu_hz); - -unsigned int -ifxmips_get_fpi_hz(void) -{ - unsigned int ddr_clock = ifxmips_get_ddr_hz(); - if(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40) - return ddr_clock >> 1; - return ddr_clock; -} -EXPORT_SYMBOL(ifxmips_get_fpi_hz); - unsigned int ifxmips_get_cpu_ver(void) { - return ifxmips_r32(IFXMIPS_MCD_CHIPID) & 0xFFFFF000; + return (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0xF0000000) >> 28; } EXPORT_SYMBOL(ifxmips_get_cpu_ver); @@ -100,27 +60,15 @@ ifxmips_get_counter_resolution(void) return res; } -int -ifxmips_be_handler(struct pt_regs *regs, int is_fixup) -{ - /*TODO*/ - printk(KERN_ERR "TODO: BUS error\n"); - - return MIPS_BE_FATAL; -} - void __init plat_time_init(void) { mips_hpt_frequency = ifxmips_get_cpu_hz() / ifxmips_get_counter_resolution(); r4k_cur = (read_c0_count() + r4k_offset); write_c0_compare(r4k_cur); - ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT | IFXMIPS_PMU_PWDCR_FPI); - ifxmips_w32(0x100, IFXMIPS_GPTU_GPT_CLC); - - ifxmips_w32(0xffff, IFXMIPS_GPTU_GPT_CAPREL); - ifxmips_w32(0x80C0, IFXMIPS_GPTU_GPT_T6CON); + ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT | IFXMIPS_PMU_PWDCR_FPI); + ifxmips_w32(0x100, IFXMIPS_GPTU_GPT_CLC); // set clock divider to 1 } void __init @@ -134,7 +82,6 @@ plat_mem_setup(void) write_c0_status(status); ifxmips_reboot_setup(); - board_be_handler = &ifxmips_be_handler; ioport_resource.start = IOPORT_RESOURCE_START; ioport_resource.end = IOPORT_RESOURCE_END; -- cgit v1.2.3